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Finding the Fourth Proportional to 58,902.50, 81,302.16 and 34,717.52

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Solution

The fourth proportional to 58,902.50, 81,302.16 and 34,717.52 is: 47,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,902.50 : 81,302.16 = 34,717.52 : x
  2. Step 2: Convert to fraction form
    58,902.50/81,302.16 = 34,717.52/x
  3. Step 3: Cross multiply
    58,902.50x = 81,302.16 × 34,717.52
  4. Step 4: Simplify right side
    58,902.50x = 2,822,609,329.31
  5. Step 5: Solve for x
    x = 2,822,609,329.31/58,902.50
  6. Step 6: Final answer
    x = 47,920.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.